Constellation Energy Mourns the Passing of Former BGE Chief Executive and Board of Directors Member George V. McGowan

BALTIMORE--(Business Wire)--
Constellation Energy (NYSE:CEG) mourns the passing of George V. McGowan, a
former member of Constellation Energy`s board of directors and chairman and
chief executive officer of Baltimore Gas and Electric Company from 1988 to 1993.
He was 81 years old.

"George McGowan brought integrity and exceptional leadership to Constellation
Energy and BGE over his more than fifty years of service, and we are deeply
saddened by his passing," said Mayo A. Shattuck III, chairman, president and
chief executive officer, Constellation Energy. "As a leader of BGE, and later as
a member of Constellation Energy`s board of directors, George`s expertise and
business acumen proved pivotal at seminal moments in BGE`s history, including
the development of the Calvert Cliffs Nuclear Power Plant. Without the
foundation laid by his vision, we would not be the successful, growing company
we are today. We extend our deepest condolences to his wife, Carol, and the rest
of the McGowan family."

Mr. McGowan, who passed away Thursday, Nov. 5, served as president and chief
operating officer of BGE from 1980 to 1987. The following year he was appointed
chairman, chief executive officer and a member of the Executive Committee,
positions he held until his retirement in 1993. He served on the board of
directors for BGE from 1980 to 1999, and was chairman of the Executive Committee
for Constellation Energy from May 1999 until his departure from the board in
April 2000.

A Baltimore native, Mr. McGowan joined BGE as a bill distributor in 1947. He
earned a Bachelor`s degree in mechanical engineering from the University of
Maryland in 1951 and went on to hold numerous leadership positions, serving as
project manager for the Calvert Cliffs plant from 1967 to 1972, and chief
nuclear engineer from 1972 to 1974. He also served as manager - corporate staff
services, and vice president - management and staff services, before being named
president and chief operating officer in 1980.

Mr. McGowan was active in numerous civic and professional organizations. He
served as chairman of the Audit Committee for the United States Energy
Association of World Energy Council, and was a member of its Investment Advisory
Committee. He also served as chairman of the Baltimore Polytechnic Institute
Board of Overseers, the Baltimore Polytechnic Institute Foundation Inc. and
Maryland Communications Center, Inc. He was a former director for the National
Flag Day Foundation, Pride of Baltimore, Queen Anne`s County Department of
Business and Tourism, and was honorary director of Preakness Celebration, Inc.

About Constellation Energy

Constellation Energy (www.constellation.com) is a leading supplier of energy
products and services to wholesale and retail electric and natural gas
customers. It owns a diversified fleet of generating units located in the United
States and Canada, totaling approximately 7,100 megawatts of generating
capacity, and is among the leaders pursuing the development of new nuclear
plants in the United States. The company delivers electricity and natural gas
through the Baltimore Gas and Electric Company (BGE), its regulated utility in
Central Maryland. A FORTUNE 500 company headquartered in Baltimore,
Constellation Energy had revenues of $19.8 billion in 2008.

Constellation Energy
Media Contacts:
Robert L. Gould
Debra Larsson
410-470-7433
or
Investor Contact:
Carim Khouzami
410-470-6440

Copyright Business Wire 2009